Well, when chromosomes cross over during prophase 1 of meiosis, the homologous pair of chromosomes exchange segments of DNA which happen to be the genes. So the significance of crossing-over during prophase 1 is that it adds genetic variation to sexually reproducing organisms.
Like all other heterotrophs, it eats and goes through cellular respiration.
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A rainshadow occurs when prevailing winds carry moisture from the ocean, eastward over dry land, dropping precipitation on the windward side of a mountain range. Clouds are forced to rise over the range, causing the air to cool and drop its moisture.
Answer:
Atoms, molecules and matter are related because matter is made up of atoms. Molecules are atoms of more than two elements that are chemically bonded together. An atom is a certain element that becomes a compound or molecule when bonded with other atoms. So matter is made up of one type of element or combinations of elements.
